<!--
	function getParameter(queryString, parameterName)
	{
		// Add "=" to the parameter name (i.e. parameterName=value)
		var parameterName = parameterName + "=";
		if ( queryString.length > 0 )
		{
			// Find the beginning of the string
			begin = queryString.indexOf ( parameterName );
			// If the parameter name is not found, skip it, otherwise return the value
			if ( begin != -1 )
			{
				// Add the length (integer) to the beginning
				begin += parameterName.length;
				// Multiple parameters are separated by the "&" sign
				end = queryString.indexOf ( "&" , begin );
				if ( end == -1 )
				{
					end = queryString.length
				}
				// Return the string
				return unescape ( queryString.substring ( begin, end ) );
			}
			// Return "null" if no parameter has been found
			return "null";
		}
	}
//-->